update reamde

README.md

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 # supersaber
 
-Beat Saber on the Web with searchable and playable community songs from [Beat
-Saver](https://beatsaver.com/). Instantly search and play over 2500 Beat Saber
-songs without having to install the game nor any mods.
+Free and open source clone of Beat Saber that lets you play from over 6000
+community songs from [Beat Saver](https://beatsaver.com/) songs without having
+to install any mods.
 
-![Supersaber](https://user-images.githubusercontent.com/674727/45820657-236bfd80-bc9c-11e8-9af0-88e269e0b841.png)
+Built with [A-Frame](https://aframe.io) and JavaScript on the Web so it loads
+in seconds without any installs!
+
+![Supersaber](https://user-images.githubusercontent.com/674727/48661927-bf14b280-ea2e-11e8-8dec-4ca76992322b.png)
 
 Play Super Saber now for free on HTC Vive or Oculus Rift via
-**[Supermedium](https://supermedium.com)**, the virtual reality browser!
-Available on:
+**[Supermedium](https://supermedium.com)**, the browser for the VR Internet!
+Available for free on:
 
-- [Steam](http://store.steampowered.com/app/803010/Supermedium/)
-- [Oculus](https://www.oculus.com/experiences/rift/1629560483789871/)
+<a href="https://store.steampowered.com/app/803010/Supermedium/">
+  <img src="https://user-images.githubusercontent.com/674727/48661907-84ab1580-ea2e-11e8-844a-63a111cccd13.png" width="50%">
+</a>
+<a href="https://www.oculus.com/experiences/rift/1629560483789871/">
+  <img src="https://user-images.githubusercontent.com/674727/48661906-84127f00-ea2e-11e8-8cd9-6b98cf05eb85.png" width="50%">
+</a>
 
 ![Supermedium](https://user-images.githubusercontent.com/674727/45821011-07b52700-bc9d-11e8-9fc6-356c93b13be7.png)
 
 ## Development
 
-From the creators of [A-Frame](https://aframe.io), built with A-Frame!
+Built with [A-Frame](https://aframe.io) and JavaScript, from the creators of A-Frame!
 
 ```
 npm install
@@ -26,7 +33,26 @@ npm run start
 
 Then head to `localhost:3000` in your browser.
 
+Also uses
+[aframe-state-component](https://www.npmjs.com/package/aframe-state-component)
+as state container and [Nunjucks](https://mozilla.github.io/nunjucks/) to
+assist HTML templating.
+
+### Debug Flags
+
+| Flag          | Description             |
+|---------------|-------------------------|
+| ?debug        | Move sabers with mouse. |
+| ?debugloading | Show loading screen.    |
+| ?debugvictory | Show victory screen.    |
+| ?godmode      | Never die.              |
+| ?synctest     | Log beat timestamps.    |
+
 ## Chat
 
-Hang out with us on [Discord](https://supermedium.com/discord/) and follow us
-on [Twitter](https://twitter.com/supermediumvr)!
+Hi, we're the [Supermedium](https://supermedium.com) team! We'd love if you
+provide feedback, bug reports, and feature requests! A-Frame and the Web lets
+us iterate and deploy new features very quickly.
+
+- Hang out with us on [Discord](https://supermedium.com/discord/).
+- Follow us on [Twitter](https://twitter.com/supermediumvr)!